DE69130076T2 - Videosignalübertragungssystem und -verfahren zur Kodierung von Videosignalen - Google Patents

Videosignalübertragungssystem und -verfahren zur Kodierung von Videosignalen

Info

Publication number
DE69130076T2
DE69130076T2 DE69130076T DE69130076T DE69130076T2 DE 69130076 T2 DE69130076 T2 DE 69130076T2 DE 69130076 T DE69130076 T DE 69130076T DE 69130076 T DE69130076 T DE 69130076T DE 69130076 T2 DE69130076 T2 DE 69130076T2
Authority
DE
Germany
Prior art keywords
signal transmission
transmission system
video signal
video signals
encoding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69130076T
Other languages
English (en)
Other versions
DE69130076D1 (de
Inventor
Katsumi Tahara
Seiichi Emoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2044846A external-priority patent/JPH03247191A/ja
Priority claimed from JP2047521A external-priority patent/JPH03250811A/ja
Priority claimed from JP04753190A external-priority patent/JP3154254B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69130076D1 publication Critical patent/DE69130076D1/de
Publication of DE69130076T2 publication Critical patent/DE69130076T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/112Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/149Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/15Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
DE69130076T 1990-02-26 1991-02-25 Videosignalübertragungssystem und -verfahren zur Kodierung von Videosignalen Expired - Lifetime DE69130076T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2044846A JPH03247191A (ja) 1990-02-26 1990-02-26 映像信号符号化方法
JP2047521A JPH03250811A (ja) 1990-02-28 1990-02-28 フイルタ回路
JP04753190A JP3154254B2 (ja) 1990-02-28 1990-02-28 画像データ符号化装置

Publications (2)

Publication Number Publication Date
DE69130076D1 DE69130076D1 (de) 1998-10-08
DE69130076T2 true DE69130076T2 (de) 1999-04-29

Family

ID=27292045

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69130076T Expired - Lifetime DE69130076T2 (de) 1990-02-26 1991-02-25 Videosignalübertragungssystem und -verfahren zur Kodierung von Videosignalen
DE69133024T Expired - Lifetime DE69133024T2 (de) 1990-02-26 1991-02-25 System und Methode zur Kodierung von Videosignalen
DE69132646T Expired - Lifetime DE69132646T2 (de) 1990-02-26 1991-02-25 System und Methode zum Kodieren von Videosignalen

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69133024T Expired - Lifetime DE69133024T2 (de) 1990-02-26 1991-02-25 System und Methode zur Kodierung von Videosignalen
DE69132646T Expired - Lifetime DE69132646T2 (de) 1990-02-26 1991-02-25 System und Methode zum Kodieren von Videosignalen

Country Status (4)

Country Link
US (1) US5164828A (de)
EP (3) EP0739143B1 (de)
KR (1) KR100248692B1 (de)
DE (3) DE69130076T2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2514115B2 (ja) * 1991-02-15 1996-07-10 株式会社グラフィックス・コミュニケーション・テクノロジーズ 画像信号符号化装置
DE4118571A1 (de) * 1991-06-06 1992-12-10 Philips Patentverwaltung Vorrichtung zur steuerung des quantisierers eines hybrid-kodierers
US5357281A (en) * 1991-11-07 1994-10-18 Canon Kabushiki Kaisha Image processing apparatus and terminal apparatus
SE9103380L (sv) * 1991-11-15 1993-03-08 Televerket Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter
SE9103381L (sv) * 1991-11-15 1993-03-08 Televerket Foerfarande och apparat foer bildkodning med val av steghoejd i kvantiseraren
JP3241778B2 (ja) * 1991-12-24 2001-12-25 ソニー株式会社 符号化装置
JPH05236465A (ja) * 1992-02-24 1993-09-10 Sony Corp ビデオ信号の伝送方法
FR2688369B1 (fr) * 1992-03-03 1996-02-09 Thomson Csf Procede de codage d'images a tres bas debit et dispositif de codage-decodage mettant en óoeuvre ce procede.
JP3093499B2 (ja) * 1992-03-06 2000-10-03 三菱電機株式会社 シーンチェンジ検出装置
CA2133459A1 (en) * 1992-04-01 1993-10-14 Michael Keith Method and apparatus for compressing and decompressing a sequence of digital video images using sync frames
ES2278378T3 (es) * 1992-06-09 2007-08-01 Canon Kabushiki Kaisha Aparato de codificacion.
KR0166716B1 (ko) * 1992-06-18 1999-03-20 강진구 블럭 dpcm을 이용한 부호화/복호화방법 및 장치
JPH0622301A (ja) * 1992-06-30 1994-01-28 Sony Corp 画像符号化装置
JP2871316B2 (ja) * 1992-07-10 1999-03-17 日本ビクター株式会社 動画像符号化装置
CA2106331C (en) * 1992-09-17 1998-08-25 Noboru Kawayachi Adaptive prediction encoding device which can effectively refresh an encoded signal with an encoding efficiency kept high
JP3341781B2 (ja) * 1992-12-15 2002-11-05 ソニー株式会社 画像復号化装置および画像符号化装置
EP0618733B1 (de) * 1993-03-29 2000-05-24 Canon Kabushiki Kaisha Verfahren zur Kontrolle der Datenmenge und Kodierer zur Durchführung desselben.
US5389965A (en) * 1993-04-01 1995-02-14 At&T Corp. Video telephone station having variable image clarity
JP2902284B2 (ja) * 1993-11-12 1999-06-07 ケイディディ株式会社 動画像の符号化装置
US5592226A (en) * 1994-01-26 1997-01-07 Btg Usa Inc. Method and apparatus for video data compression using temporally adaptive motion interpolation
DE69524896T2 (de) * 1994-03-25 2002-11-14 Nec Corp Wiedergabe von Videobildern mit erhöhter Geschwindigkeit
US5805223A (en) * 1994-05-25 1998-09-08 Canon Kk Image encoding apparatus having an intrapicture encoding mode and interpicture encoding mode
US5872597A (en) * 1994-08-26 1999-02-16 Kabushiki Kaisha Toshiba System for decoding moving picture signal multiplied and coded by DCT coefficient and additional data
US5608458A (en) * 1994-10-13 1997-03-04 Lucent Technologies Inc. Method and apparatus for a region-based approach to coding a sequence of video images
US5552832A (en) * 1994-10-26 1996-09-03 Intel Corporation Run-length encoding sequence for video signals
US5623312A (en) * 1994-12-22 1997-04-22 Lucent Technologies Inc. Compressed-domain bit rate reduction system
US5710595A (en) * 1994-12-29 1998-01-20 Lucent Technologies Inc. Method and apparatus for controlling quantization and buffering for digital signal compression
WO1996033575A1 (en) * 1995-04-18 1996-10-24 Advanced Micro Devices, Inc. Video decoder using block oriented data structures
US5864637A (en) * 1995-04-18 1999-01-26 Advanced Micro Devices, Inc. Method and apparatus for improved video decompression by selective reduction of spatial resolution
US5774600A (en) * 1995-04-18 1998-06-30 Advanced Micro Devices, Inc. Method of pixel averaging in a video processing apparatus
US6002801A (en) * 1995-04-18 1999-12-14 Advanced Micro Devices, Inc. Method and apparatus for improved video decompression by selection of IDCT method based on image characteristics
US5903313A (en) * 1995-04-18 1999-05-11 Advanced Micro Devices, Inc. Method and apparatus for adaptively performing motion compensation in a video processing apparatus
US5953457A (en) * 1995-04-18 1999-09-14 Advanced Micro Devices, Inc. Method and apparatus for improved video decompression by prescaling of pixel and error terms to merging
EP0757490A3 (de) 1995-08-02 1999-01-13 Matsushita Electric Industrial Co., Ltd. Videokodierungsvorrichtung und ihre Anwendung in ein Videoübertragungssystem, Quantisierungskontrollverfahren und zugehöriges Verfahren zur Rechnung des durchschnittlichen Datenflusses
DE69609702T2 (de) * 1995-10-25 2001-04-12 Koninkl Philips Electronics Nv Verfahren und system zur kodierung segmentierter bilder sowie entsprechendes dekodierungsverfahren und -system
US5825422A (en) * 1995-12-29 1998-10-20 Daewoo Electronics Co. Ltd. Method and apparatus for encoding a video signal based on inter-block redundancies
JPH10234033A (ja) * 1997-02-21 1998-09-02 Matsushita Electric Ind Co Ltd 動画像信号の復号方法および動画像信号の復号装置
US6061399A (en) * 1997-05-28 2000-05-09 Sarnoff Corporation Method and apparatus for information stream frame synchronization
AU717480B2 (en) * 1998-08-01 2000-03-30 Korea Advanced Institute Of Science And Technology Loop-filtering method for image data and apparatus therefor
EP1056295B1 (de) * 1998-12-10 2006-11-02 Matsushita Electric Industrial Co., Ltd. Arithmetische filtervorrichtung
AU2003900746A0 (en) * 2003-02-17 2003-03-06 Silverbrook Research Pty Ltd Methods, systems and apparatus (NPS041)
TW499672B (en) * 2000-02-18 2002-08-21 Intervideo Inc Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders
GB0022949D0 (en) * 2000-09-19 2000-11-01 Sgs Thomson Microelectronics Processing instruction words
EP1225704A1 (de) * 2001-01-12 2002-07-24 STMicroelectronics S.r.l. Verfahren und System zur Komprimierung und Dekomprimierung von digitalen Informationen und Rechnerprogrammprodukt dafür
JP2004532540A (ja) * 2001-03-05 2004-10-21 インタービデオインコーポレイテッド 誤り耐性のある符号化のためのシステム及び方法
US7460629B2 (en) 2001-06-29 2008-12-02 Agere Systems Inc. Method and apparatus for frame-based buffer control in a communication system
US7412004B2 (en) * 2001-06-29 2008-08-12 Agere Systems Inc. Method and apparatus for controlling buffer overflow in a communication system
US7418037B1 (en) * 2002-07-15 2008-08-26 Apple Inc. Method of performing rate control for a compression system
US7769084B1 (en) 2002-07-15 2010-08-03 Apple Inc. Method for implementing a quantizer in a multimedia compression and encoding system
AU2003241696A1 (en) * 2002-07-26 2004-02-16 Matsushita Electric Industrial Co., Ltd. Moving picture encoding method, moving picture decoding method, and recording medium
US7940843B1 (en) 2002-12-16 2011-05-10 Apple Inc. Method of implementing improved rate control for a multimedia compression and encoding system
US7804897B1 (en) * 2002-12-16 2010-09-28 Apple Inc. Method for implementing an improved quantizer in a multimedia compression and encoding system
JP5227875B2 (ja) * 2009-04-06 2013-07-03 株式会社日立製作所 動画像符号化装置
CN107277519B (zh) * 2017-06-30 2019-11-15 武汉斗鱼网络科技有限公司 一种判断视频帧的帧类型的方法及电子设备
KR102543444B1 (ko) * 2017-08-29 2023-06-13 삼성전자주식회사 영상 부호화 장치
US11412260B2 (en) * 2018-10-29 2022-08-09 Google Llc Geometric transforms for image compression

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114920A (en) * 1978-02-28 1979-09-07 Kokusai Denshin Denwa Co Ltd Television signal adaptive forecasting encoding system
US4328425A (en) * 1980-08-04 1982-05-04 Xerox Corporation Filter for image pixels
JPS58127488A (ja) * 1982-01-25 1983-07-29 Kokusai Denshin Denwa Co Ltd <Kdd> テレビジヨン信号の適応予測符号化方式
DE3437182A1 (de) * 1984-10-10 1986-04-10 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur aufzeichnung und/oder wiedergabe digital kodierter signale
JPH0620303B2 (ja) * 1984-11-08 1994-03-16 日本電信電話株式会社 フレ−ム間符号化方式におけるリフレッシュ処理方式
DE3511660A1 (de) * 1985-03-29 1986-10-02 Siemens AG, 1000 Berlin und 8000 München Verfahren zur verbesserung der bildqualitaet bei dpcm-codierten bildsignalen
CA1252569A (en) * 1985-09-13 1989-04-11 Akihiro Furukawa Method and device of coding a digital video signal for reproduction of pictures with a high quality even upon occurrence of a drastical change between the pictures
EP0624985B1 (de) * 1987-04-28 2001-03-14 Mitsubishi Denki Kabushiki Kaisha System zur Bildcodierung und -decodierung
FR2625635B1 (fr) * 1987-12-30 1994-04-15 Thomson Grand Public Procede adaptatif de codage et de decodage d'une suite d'images par transformation, et dispositifs pour la mise en oeuvre de ce procede
EP0330455A3 (de) * 1988-02-22 1990-07-04 Kabushiki Kaisha Toshiba Vorrichtung zum Kodieren von Bildern
DE3811536A1 (de) * 1988-04-06 1989-10-19 Philips Patentverwaltung Praediktiver standbildcodierer
JP2870756B2 (ja) * 1988-04-20 1999-03-17 株式会社リコー 空間フィルタ画像処理装置
JP2570384B2 (ja) * 1988-05-30 1997-01-08 日本電気株式会社 動画像信号の符号化・復号化方式
US4953023A (en) * 1988-09-29 1990-08-28 Sony Corporation Coding apparatus for encoding and compressing video data
JPH02172389A (ja) * 1988-12-26 1990-07-03 Victor Co Of Japan Ltd 動画像信号の高能率符号化方式
EP0396846B1 (de) * 1989-05-12 1993-04-28 Rai Radiotelevisione Italiana Gerät zur Diskret-Kosinus-Transform-Kodierung digitaler Videosignale
JPH0714209B2 (ja) * 1989-12-20 1995-02-15 松下電器産業株式会社 動画像符号化装置

Also Published As

Publication number Publication date
EP0739143A2 (de) 1996-10-23
DE69132646T2 (de) 2002-04-25
EP0739142A2 (de) 1996-10-23
EP0739143B1 (de) 2002-05-29
DE69133024D1 (de) 2002-07-04
DE69132646D1 (de) 2001-08-02
EP0739142B1 (de) 2001-06-27
KR100248692B1 (ko) 2000-03-15
US5164828A (en) 1992-11-17
EP0739143A3 (de) 1996-12-18
EP0444839A2 (de) 1991-09-04
EP0444839B1 (de) 1998-09-02
DE69130076D1 (de) 1998-10-08
EP0444839A3 (de) 1994-02-09
DE69133024T2 (de) 2003-02-06
EP0739142A3 (de) 1996-12-18

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